Question 1

What is CVE-2026-31309 — CVE-2026-31309?

Accepted Answer

Improper authorization in the /tequilapi/config/user endpoint of Mysterium Node before v1.36.0 allows unauthenticated attackers to arbitrarily overwrite the node's configuration and achieve a full node takeover via supplying a crafted POST request.

Question 2

What is the authoritative source for CVE-2026-31309?

Accepted Answer

CVE-2026-31309 (CVE-2026-31309) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-31309CVE-2026-31309

Description

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